FIELD: environmental safety, underground water purification. SUBSTANCE: invention relates to removal of impurities from subsoil regions having underground water, subsoil saturated zone below underground water, and subsoil vadose zone above underground water. Removal is provided by multiple pipes positioned in saturated zone or in proximity to it, each having perforated portions allowing stream of material to be discharged or received. At least one pipe is designed to feed stream and at least one pipe to feed nourishing fluid. Such fluids, conveyed into discharge pipes, contain mineral substances and primary substrata. EFFECT: improved soil condition. 7 cl, 4 dwg ЫЫЫ1
Authors
Dates
1996-11-20—Published
1993-01-13—Filed